Table 4-8. NNR Basin Mean, Coefficient of
 Parameters


Variation, and Count of Water Quality


 NNR Basin
 NNR Basin Coefficient of NNR Basin Number
 Parameter Mean Variation of Records
 TP (mg/L) 0.150 0.53 236
 TKN (mg/L) 3.69 0.34 227
 NOx-N (mg/L) 1.811 1.01 227
 TN (mg/L) 5.505 0.46 227
 DO (mg/L) 2.47 0.59 176
 pH (su) 7.19 0.05 133
Specific Conductance (uS/cm) 1191 0.21 177
 Turbidity (NTU) 10.7 1.34 160
 TSS (mg/L) 18.1 1.45 138
 Alkalinity as CaCO3 (mg/L) 317 0.27 186
 Calcium (mg/L) 109.2 0.22 88
 Chloride (mg/L) 137.1 0.28 205
 Sulfate (mg/L) 101.9 0.41 67
 Sodium (mg/L) 97.8 0.29 88
 Total Iron (ug/L) 267 0.89 57
 Total Mercury (ng/L) 2.82 0.50 11
 Atrazine (ug/L) 0.670 0.97 16

Table 4-9. LOKNNR Canal Mean, Coefficient of Variation, and Count of Water Quality
 Parameters
 LOKNNR LOKNNR Coefficient of LOKNNR Number of
 Parameter Mean Variation Records
 TP (mg/L) 0.077 0.46 76
 TKN (mg/L) 1.79 0.35 72
 NOx-N (mg/L) 0.206 2.01 72
 TN (mg/L) 1.998 0.45 72
 DO (mg/L) 6.57 0.26 70
 pH (su) 7.78 0.04 99
Specific Conductance (uS/cm) 625 0.25 72
 Turbidity (NTU) 71.0 0.87 103
 TSS (mg/L) 12.9 0.96 67
 Alkalinity as CaCO3 (mg/L) 138 0.33 75
 Calcium (mg/L) 48.6 0.23 22
 Chloride (mg/L) 82.0 0.25 74
 Sulfate (mg/L) 49.4 0.27 29
 Sodium (mg/L) 52.6 0.30 22
 Total Iron (ug/L) 170 0.70 27
 Total Mercury (ng/L) NA NA 0
 Atrazine (ug/L) 0.280 0.54 26